On Wed, 16 Mar 2005 06:08:52 -0500, Daniel Phillips <[EMAIL PROTECTED]> wrote:
> > The current DRMs actually seem dumb. The DRM only enters commands > > into the ring buffer as a response to ioctls from userspace, and if > > the buffer is full, it will busy-wait for space to become available. > > I haven't checked all drivers out there, but all that I've looked at > > so far work like this. > > I feel it's worth taking a run at doing that better. The worst we can > do is fail and have to fall back to sucking as much as everybody else. We won't be doing any busy-waiting. The interrupts you need will be available, so all you have to do is block, wake up on interrupt, and continue. Busy-waiting is evil. Busy-waiting in the kernel is unconscionable. _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
